Police say Baker got out of the house and pointed the gun. Officer fired two rounds. Police heard a single gunshot. Baker shot himself in the head. Officers rendered aid to Baker. He is not expected to survive (Antonio Castelan | KSNV)

LAS VEGAS (KSNV) —

These are the initial moments caught on Metro Police body cam of Officer Marcus Martin firing two shots towards a man. Police say this happened Tuesday afternoon at a home near Cheyenne and Grand Canyon.

Police dispatch received a call about a suicidal man armed with a gun. Officers identified the man as 42-year-old Alan Baker.

Assistant Sheriff Charles Hank with Metro Police said, "the person reported stated Baker was intoxicated and was armed with a handgun and knives."

The video shows Officer Martin trying to calm the situation, but police say Baker came out in a bathrobe with his gun drawn. After the 22-year-old Metro Police veteran fired his two shots, six seconds later you hear a gunshot inside the home.

Officers say Baker fired a single shot to his head. Baker was rushed to UMC Hospital where he is still is in critical condition. Investigators say they train for situations where people are having suicidal thoughts.

Assistant Sheriff Hank said, "its unpredictable when someone is mentally challenged and so we take that very seriously in an event like this we have our crisis officers to respond to events like this."